package persistence.dataAccessObjects.interfaces;

import java.util.LinkedHashMap;

import javax.servlet.ServletException;

import exceptions.DatasetNotFoundException;

public interface IStatisticsDAO {

	public LinkedHashMap<String, Integer> getUserCount()
			throws ServletException, DatasetNotFoundException;

	public LinkedHashMap<Integer, Integer> getSoldProductsCountSK(int year)
			throws ServletException, DatasetNotFoundException;
	
	public LinkedHashMap<Integer, Integer> getSoldProductsCountAuktion(int year)
			throws ServletException, DatasetNotFoundException;

}
